As funny as it seems, you have to descend to actually go diving, therefore, a safe descent is of vital importance to your safety and comfort. Following proper procedures means you are prepared for the dive before you leave the surface and remain in control during the descent.
In his video you will see a demonstration of "Controlled Descent".
As with all videos in the Open Water 20 series, it is designed to be used by new divers, learning to dive, Divemasters, Instructors and Trainers.
Ещё видео!